Description

The Allen-Bradley 1794-TB3 is a Terminal Base Unit. This unit provides sixteen (16) I/O connections with eighteen (18) common and voltage terminals. This device permits the backplane formation by offering I/O point wiring. The unit weighs approximately 120 grams (0.26 pounds) while shipping.

• Series: 1794 FLEX I/O
• Part Number: 1794-TB3
• Description: Terminal Base Unit
• Voltage Rating: 125 Volts DC/AC
• Frequency: 50/60 Hertz
• Current Rating: 10 Amperes
• Termination Type: Cage clamp
• Connections: 16 I/O, 18 common terminals, 18 +V terminals
• Terminal Screw Torque: 0.56…0.79 N-m (5…7 lb-in)
• Isolation Voltage: 125 Volts (continuous) maximum
• Dimensions (HxWxD): 94 x 94 x 69 millimeters (3.7 x 3.7 x 2.7 inches)
• Weight: 120 grams (0.26 pounds)

The Allen-Bradley 1794-TB3 is a Terminal Base Unit. This unit provides sixteen (16) I/O connections with eighteen (18) common and voltage terminals. This device permits the backplane formation by offering I/O point wiring. The 1794-TB3 supports a voltage of either 125 Volts DC or 125 Volts AC at a frequency range from 50 to 60 Hertz. The device employs the backplane optical isolation offered by optocouplers to provide electrical isolation of 125 Volts continuously. This terminal base unit supports a current of 10 Amperes. The 1794-TB3 supports a terminal screw torque from 0.56 newton-meters to 0.79 newton-meters. This device supports a non-condensing relative humidity range from 5% to 95% and a vibration frequency range from 10 to 500 Hertz.

The Allen-Bradley 1794-TB3 can be stored in a safe environment that shouldn’t be full of condensation or corrosion at a temperature from -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit). The device has an operating specification for the mechanical shock level of 30 g. The unit has also a storage specification for the mechanical shock level of 50 g. The terminal base unit has dimensions of 94 millimeters (3.7 inches) in height, 94 millimeters (3.7 inches) in width, and a depth of 69 millimeters (2.7 inches). The device employs stranded copper wires with a cross-section area range from 22 AWG to 12 AWG. This terminal base unit can operate at -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit) for industrial applications. The 1794-TB3 weighs approximately 120 grams (0.26 pounds) while shipping.